VR City복습(waypoint순회하며 이동,Quaternion.Lerp회전,Raycast)

#1. player의 이동(waypoint를 순회하며 반복 이동구현)

#Vector3.MoveTowards 사용

https://docs.unity3d.com/ScriptReference/Vector3.MoveTowards.html

Unity - Scripting API: Vector3.MoveTowards

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class Player2 : MonoBehaviour
{
    public Transform[] waypoints;
    private float speed = 2f;
    private int idx = 0;

    private void Start()
    {
        this.GetComponent<CharacterController>();
    }
    private void Update()
    {
        this.MoveWaypoint();
    }
    public void MoveWaypoint()
    {
        this.transform.position = Vector3.MoveTowards(
            this.transform.position, waypoints[idx].transform.position, speed * Time.deltaTime);
        if (this.transform.position == waypoints[idx].transform.position)
            this.idx++;
        if (this.idx == this.waypoints.Length)
            this.idx = 0;
    }
}

#2. player의 회전(waypoint로 회전)

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class Player2 : MonoBehaviour
{
    public Transform[] waypoints;
    private float speed = 2f;
    private int idx = 0;

    private float damping = 3f;
    private void Start()
    {
        this.GetComponent<CharacterController>();
    }
    private void Update()
    {
        this.MoveWaypoint();
    }
    public void MoveWaypoint()
    {
        //순회 이동
        this.transform.position = Vector3.MoveTowards(
            this.transform.position, waypoints[idx].transform.position, speed * Time.deltaTime);
        if (this.transform.position == waypoints[idx].transform.position)
            this.idx++;
        if (this.idx == this.waypoints.Length)
            this.idx = 0;        
        //회전
        //현재 위치에서 다음 웨이포인트로 향하는 백터
        Vector3 dir = this.waypoints[idx].position-this.transform.position; 
        //백터의 회전 각도
        Quaternion rot=Quaternion.LookRotation(dir);
        //회전처리
        this.transform.rotation = Quaternion.Slerp(this.transform.rotation, rot, Time.deltaTime * damping);
    }

}

https://docs.unity3d.com/ScriptReference/Quaternion.LookRotation.html

Unity - Scripting API: Quaternion.LookRotation

 

#RayCast

*UI가 Player를 바라보게 

#LookAt

https://docs.unity3d.com/ScriptReference/Transform.LookAt.html

Unity - Scripting API: Transform.LookAt

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class Billboard2 : MonoBehaviour
{
    private Transform camTrans;
    private Transform trans;
    void Start()
    {
        this.camTrans=Camera.main.GetComponent<Transform>(); //main Camera의 Transform컴포넌트 가져오기
        this.trans=this.GetComponent<Transform>();
    }
    private void LateUpdate() //카메라를 따라가게하는로직은 LateUpdate에서
    {
        this.trans.LookAt(camTrans.position);
    }
}

*player가 Car,UI (Layer)를 바라보면 이동 멈춤

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class Player2 : MonoBehaviour
{
    public enum eMoveType
    {
        WayPoint,
        LookAt
    }
    public eMoveType moveType= eMoveType.WayPoint;
    public Transform[] waypoints;
    private float speed = 2f;
    private int idx = 0;

    private float damping = 3f;
    public bool isStoped = false;
    private void Start()
    {
        this.GetComponent<CharacterController>();
    }
    private void Update()
    {
        //this.MoveWaypoint();
        if (isStoped) return;
        switch (this.moveType)
        {
            case eMoveType.WayPoint:
                this.MoveWaypoint();
                break;
            case eMoveType.LookAt:
                break;
        }
        
    }
    public void MoveWaypoint()
    {
        //순회 이동
        this.transform.position = Vector3.MoveTowards(
            this.transform.position, waypoints[idx].transform.position, speed * Time.deltaTime);
        if (this.transform.position == waypoints[idx].transform.position)
            this.idx++;
        if (this.idx == this.waypoints.Length)
            this.idx = 0;        
        //회전
        //현재 위치에서 다음 웨이포인트로 향하는 백터
        Vector3 dir = this.waypoints[idx].position-this.transform.position; 
        //백터의 회전 각도
        Quaternion rot=Quaternion.LookRotation(dir);
        //회전처리
        this.transform.rotation = Quaternion.Slerp(this.transform.rotation, rot, Time.deltaTime * damping);
    }

}

*RaycastHit 반응을 통해 이벤트 호출

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.EventSystems;
using UnityEngine.UI;

public class EyeCast2 : MonoBehaviour
{
    private Transform trans;
    private Ray ray;
    private RaycastHit hit;
    public float dist = 10f;
    public Player2 player;
    public Image img; //fill Image
    private GameObject preveBtn;
    private GameObject currBtn;
    private float time = 1.0f; 
    private float delta = 0f;
    private bool isClicked=false;
    void Start()
    {
        this.trans=this.GetComponent<Transform>();
    }
    private void InitButton()
    {
        this.delta = 0;
        this.isClicked = false;
        if(this.img!=null)
        {
            this.img.fillAmount= 0;
        }
    }

    void Update()
    {
        this.ray=new Ray(this.trans.position,this.trans.forward);
        Debug.DrawRay(this.ray.origin,this.ray.direction*this.dist,Color.red);
        
        //비트연산자를 이용하여 Layer 이용
        var mask = 1 << 8 | 1 << 9; //8 과 9 레이어
        if(Physics.Raycast(this.ray,out this.hit, this.dist, mask))
        {
            this.player.isStoped = true;
            this.GazButton();
        }
        else
        {
            this.player.isStoped = false;
            this.ReleaseButton();
        }
    }


    private void GazButton()
    {
        //현재 시점의 포인터 이벤트 정보 추출
        GvrPointerEventData data=new GvrPointerEventData(EventSystem.current);
        //현재 응시하고있는것이 버튼이면
        if (this.hit.collider.gameObject.layer == 8)
        {   //Ray에 맞은 버튼을 현재 응시하는 버튼에 저장
            this.currBtn=this.hit.collider.gameObject;
            //이전 버튼과 현재 응시 하고있는버튼이 서로 다르다면?
            if(this.preveBtn!=this.currBtn)
            {
                //버튼의 응시여부 및 시간의 초기화
                this.InitButton();
                //현재응시하고있는 버튼에 PointerEnter이벤트 전달
                ExecuteEvents.Execute(this.currBtn, data, ExecuteEvents.pointerEnterHandler);
                //이전에 응시했던 버튼에 PointerExit이벤트 전달
                ExecuteEvents.Execute(this.preveBtn, data, ExecuteEvents.pointerExitHandler);
                //이전 버튼의 정보 갱신
                this.preveBtn = currBtn;
            }
            else
            {
                //이미버튼을 응시해서 클릭 이벤트가 호출된 경우 더이상 fill을 채우지 않고 빠져나감
                if (this.isClicked) return;
                this.delta += Time.deltaTime;
                this.img.fillAmount = this.delta / this.time;
                if (this.delta >= this.time)
                {
                    Debug.LogFormat("{0} clicked", this.currBtn.name);
                    //클릭 이벤트 전달
                    ExecuteEvents.Execute(this.currBtn, data, ExecuteEvents.pointerClickHandler);
                    this.isClicked= true;
                }
            }
        }
    }

    //레티클이 버튼 이외의 다른곳을 응시 했을때 기존 버튼 초기화
    private void ReleaseButton()
    {
        //버튼 응시 정보 초기화
        this.InitButton();
        //현재 시점의 포인터 이벤트 정보 추출
        PointerEventData data=new PointerEventData(EventSystem.current);
        //이전에 응시했던 버튼이있다면
        if (this.preveBtn != null)
        {   //이전에 응시했던 버튼에 PoinerExit 이벤트 전달
            ExecuteEvents.Execute(this.preveBtn,data, ExecuteEvents.pointerExitHandler);
            this.preveBtn = null;
        }
    }
}